/*
 * Copyright 2013 The Netty Project
 *
 * The Netty Project licenses this file to you under the Apache License,
 * version 2.0 (the "License"); you may not use this file except in compliance
 * with the License. You may obtain a copy of the License at:
 *
 *   http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
 * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
 * License for the specific language governing permissions and limitations
 * under the License.
 */

package io.netty.util;

import java.util.Arrays;

/**
 * @deprecated This class will be removed in the future version.
 */
@Deprecated
public class ResourceLeakException extends RuntimeException {

  private static final long serialVersionUID = 7186453858343358280L;

  private final StackTraceElement[] cachedStackTrace;

  public ResourceLeakException() {
    cachedStackTrace = getStackTrace();
  }

  public ResourceLeakException(String message) {
    super(message);
    cachedStackTrace = getStackTrace();
  }

  public ResourceLeakException(String message, Throwable cause) {
    super(message, cause);
    cachedStackTrace = getStackTrace();
  }

  public ResourceLeakException(Throwable cause) {
    super(cause);
    cachedStackTrace = getStackTrace();
  }

  @Override
  public int hashCode() {
    StackTraceElement[] trace = cachedStackTrace;
    int hashCode = 0;
    for (StackTraceElement e : trace) {
      hashCode = hashCode * 31 + e.hashCode();
    }
    return hashCode;
  }

  @Override
  public boolean equals(Object o) {
    if (!(o instanceof ResourceLeakException)) {
      return false;
    }
    if (o == this) {
      return true;
    }

    return Arrays.equals(cachedStackTrace, ((ResourceLeakException) o).cachedStackTrace);
  }
}
